2998.     SABALITSCHKA, T., AND HARNISCH, C.  [Synthesis of Formaldehyde and Acetone From Oxides of Carbon and Hydrogen or Water Through Contact Substances.]  Biochem. Ztschr., vol. 190, 1927, pp. 265-277; Chem. Abs., vol. 22, 1928, p. 1571.

        Presence of demonstrable quantities of HCHO and Me₂CO in a mixture of CO and H₂, or CO₂ and H₂O at 300° in the presence of a great variety of contact substances (Ca₂C, SiO₂, kaolin, Fe, NaOH, wood charcoal, active C, etc.) is discussed.  Data are presented in tabular form.